Hex #6a808e or rgb(106,128,142) in RGB space is the tint of blue. It has hue angle of 203.33 degrees, value = 56 and saturation = 25. #6a808e can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of blue, 4 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6a808e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a808e to the mixer and play with it.